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IEEE 1985 Ultrasonics Symposium最新文献

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Measurement of Thermal Properties of Perfused Biological Tissue by Transient Heating with Focused Ultrasound 聚焦超声瞬态加热对灌注生物组织热性能的测量
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198646
W. Newman, P. P. Lele
{"title":"Measurement of Thermal Properties of Perfused Biological Tissue by Transient Heating with Focused Ultrasound","authors":"W. Newman, P. P. Lele","doi":"10.1109/ULTSYM.1985.198646","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198646","url":null,"abstract":"Recent interest in therapeutic hyperthermia as a cancer treatment modality have shown the need for accurate tissue thermal property values for therapy planning, optimization, and evaluation. Here a transient thermal pulse technique using a focused ultrasound beam as a heat source is decribed for the measurement of the t hermal properties of perfused and non-perfused tissues, in-vivo and in-vitro. Thermal diffusivity measurements were made in a variety of biological tissues, under perfused and non-perfused conditions and found to concur with tabulated values; in addition it is shown that by proper choice of experimental parameters the effect of perfusion may be minimized to obtain intrinsic property values in the presence of perfusion. A .Electrode","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"265 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127546098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Birefringent Phased Array Bragg Cells 双折射相控阵Bragg电池
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198536
I. Chang
{"title":"Birefringent Phased Array Bragg Cells","authors":"I. Chang","doi":"10.1109/ULTSYM.1985.198536","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198536","url":null,"abstract":"This paper presents theoretical and experimental results of wideband acousto-optic Bragg cells development. bination of birefringent phase matching and phased array techniques is described. Experimental results show that the use of phased transducer arrays increases the t angential phase frequency of the birefringent Bragg cell, as predicted by the theoretical analysis. A new design utilizing com","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125487814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Ultrasonic Attenuation Measurements on the Re-Entrant Superconductors Er0.187Ho0.813Rh4B4and Er0.705Ho0.295Rh4B4 er0.187 ho0.813 rh4b4和Er0.705Ho0.295Rh4B4可重入超导体的超声衰减测量
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198688
K. Sun, M. Levy, M. Maple, M. Torikachvili
{"title":"Ultrasonic Attenuation Measurements on the Re-Entrant Superconductors Er0.187Ho0.813Rh4B4and Er0.705Ho0.295Rh4B4","authors":"K. Sun, M. Levy, M. Maple, M. Torikachvili","doi":"10.1109/ULTSYM.1985.198688","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198688","url":null,"abstract":"","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128034224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High Frequency Acousto-Optic Modulation in Single-Mode Fiber 单模光纤中的高频声光调制
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198545
S. Tarng, I. Chang
{"title":"High Frequency Acousto-Optic Modulation in Single-Mode Fiber","authors":"S. Tarng, I. Chang","doi":"10.1109/ULTSYM.1985.198545","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198545","url":null,"abstract":"Single-sideband a cousto-optic frequency shifters using birefringent fibers have been developed. Light diffraction between the two orthogonally polarized modes was demonstrated using bulk shear acoustic waves. Efficiency as high as","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"196 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122520002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
SAW Accelerometers: Integration of Thick and Thin Film Technologies SAW加速度计:厚膜和薄膜技术的集成
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198578
T. B. Bonbrake, C. Erikson, D. Thoma
{"title":"SAW Accelerometers: Integration of Thick and Thin Film Technologies","authors":"T. B. Bonbrake, C. Erikson, D. Thoma","doi":"10.1109/ULTSYM.1985.198578","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198578","url":null,"abstract":"","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121775720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Passive Infrared Detection of Subsurface Delaminations in Thin Elastic Media 弹性薄介质中地下分层的被动红外探测
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198550
R. Linebarger, B. Tittmann
{"title":"Passive Infrared Detection of Subsurface Delaminations in Thin Elastic Media","authors":"R. Linebarger, B. Tittmann","doi":"10.1109/ULTSYM.1985.198550","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198550","url":null,"abstract":"The potential of thermal wave microscopy to provide a noncontact approach to the detection of subsurface d elaminations and microstructures in a variety of materials is quite promising. Thermal waves may be generated in a given medium via either ultrasonic wave absorption or direct laser irradiation. This paper describes the application of a scanning infrared technique to detect and characterize subsurface delaminations in a thin multilayer Mylar polyester film sample, utilizing ultrasonic excitation.","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129588018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acoustic Imaging of Subsurface Defects in Composites and Samples with Rough Surfaces 表面粗糙的复合材料和样品中亚表面缺陷的声成像
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198610
B. Khuri-Yakub, P. Reinholdtsen, C. Chou, J. Arnaud
{"title":"Acoustic Imaging of Subsurface Defects in Composites and Samples with Rough Surfaces","authors":"B. Khuri-Yakub, P. Reinholdtsen, C. Chou, J. Arnaud","doi":"10.1109/ULTSYM.1985.198610","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198610","url":null,"abstract":"","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129771488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A Closed Form Expression for the Green's Function for Surface Generated Waves in Crystal Classes 4 and 6 晶体4类和6类表面产生波的格林函数的封闭形式表达式
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198500
D. Blackwell, R. Narayanan, J. Vetelino
{"title":"A Closed Form Expression for the Green's Function for Surface Generated Waves in Crystal Classes 4 and 6","authors":"D. Blackwell, R. Narayanan, J. Vetelino","doi":"10.1109/ULTSYM.1985.198500","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198500","url":null,"abstract":"","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131065195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimating the Location of Acoustic Emission Sites in Solid Dielectric-Metal Composites 固体介电-金属复合材料中声发射点位置的估计
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198562
J. Steiner, W. Weeks, C. B. Erickson, E. S. Furgason
{"title":"Estimating the Location of Acoustic Emission Sites in Solid Dielectric-Metal Composites","authors":"J. Steiner, W. Weeks, C. B. Erickson, E. S. Furgason","doi":"10.1109/ULTSYM.1985.198562","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198562","url":null,"abstract":"Many types of power apparatus are constructed by encapsulating metals in epoxy or other dielectric materials. The desired rcsult is a complete impregnation of all air spares around the metal. .-aids occluded in the insulation will h a v e p a r t i a l discharge which will lead to the evr.ntu:il f a i l r i r e of t h r . in~iilalion system near the void. I ’ r cwnt q u a l i t y cc)ritrol methods measure the electrical activity t l u r , t(1 p:irti:il tlischarge. If the discharge magnitude is greater t h a n a prescribed limit the apparatus is o f t r i i scrappcd I)cc:iiise of the difficulty of determining the cni isc. A technique has been developed to locate the sites of acoustic cmis~iori generated by partial discharge in such diclvct ric-metnl coinposit e structures. Insulating acoustic wavt.giiitles a r e r1iou111e.d on the surface of the apparatus a n d a r c s i i w d to rcveivcb the acouhtic emission signals prnpagating i n th(, app:iratiis. l-arious correlation implementations have h n nsed to estirnate the relative time dc1:iy between the received acoustic emissions. These time delays are then used to estimate the locations of the emission sites.","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134447523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phase Noise Characteristics of MSW Devices 城市固体垃圾设备的相位噪声特性
IEEE 1985 Ultrasonics Symposium Pub Date : 1900-01-01 DOI: 10.1109/ULTSYM.1985.198497
K. Chang, W. Ishak, W. Kunz
{"title":"Phase Noise Characteristics of MSW Devices","authors":"K. Chang, W. Ishak, W. Kunz","doi":"10.1109/ULTSYM.1985.198497","DOIUrl":"https://doi.org/10.1109/ULTSYM.1985.198497","url":null,"abstract":"The phase noise characteristics of Magnetostatic Wave (MSW) delay lines, resonators and oscillators were investigated using doped and pure YIG films. Both l/f and white noise spectral densities were observed in passive MSW devices. It was also noticed that the white noise spectral density was a function of the incident power to the device and YIG linewidth; decreasing for lower incident power and higher linewidth YIG films. The phase noise measurement configurations will be discussed in detail, together with the results obtained. A simple explanation of the power and linewidth dependence of the white noise floor will be given.","PeriodicalId":240321,"journal":{"name":"IEEE 1985 Ultrasonics Symposium","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133184953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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